Internal standard 3, 2000g/ml in MeOH, 1ml

(+)-Pinoresinol (>80% ee), 150mg

(±)-Chlorpheniramine-d6 maleate (N,N-dimethyl-d6),1000 µg base/mL,MeOH,1mL

4,4'-Diaminobiphenyl-d8 (Rings-d8)